DA70131-1/3E
VIII-1
VIII. The difference between G9002 and G9002A
G9002A is an upgrade product of G9002. There is no functional difference in the use with G9001A. The improved
points and the difference of characteristics and dimension are as follows.
1. G9002A's improvement of G9002A
1-1. Serial communication control terminal
The following terminals of G9002 can be connected only 3.3V power type RS485 tranceiver.
Ones of G9002A can be connected to 5V power type of RS485 transceiver directory (Level shifter is not needed.)
1. SO
2. SOEH
3.
_____
SOEL
4. SI
1-2. Function of I/O port terminal
When used in output mode, these terminal outputs are open drains or ordinary output. You can select either by
setting of OPDLS terminal.
OPDSL
Mode
Function
Low
G9002 compatible
mode
Open drain (High / Low output) mode.
Output terminals should be pulled up externally.
With pulled up to 5V externally, full range 0V to 5V
can available.
High
G9002A mode
Ordinary (High/Low output) mode.
Because 5V tolerant buffer is used, connection with
TTL is available. However, if it is pulled up more
than 5V externally, sink current from terminal will
occur.
When used in input mode, there is no functional difference.
Содержание Motionnet G9001A
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